78464880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 240

約数和(自身を含む): 290043936

約数和(自身を除く): 211579056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 83, 90, 101, 104, 117, 120, 130, 144, 156, 166, 180, 195, 202, 208, 234, 240, 249, 260, 303, 312, 332, 360, 390, 404, 415, 468, 498, 505, 520, 585, 606, 624, 664, 720, 747, 780, 808, 830, 909, 936, 996, 1010, 1040, 1079, 1170, 1212, 1245, 1313, 1328, 1494, 1515, 1560, 1616, 1660, 1818, 1872, 1992, 2020, 2158, 2340, 2424, 2490, 2626, 2988, 3030, 3120, 3237, 3320, 3636, 3735, 3939, 3984, 4040, 4316, 4545, 4680, 4848, 4980, 5252, 5395, 5976, 6060, 6474, 6565, 6640, 7272, 7470, 7878, 8080, 8383, 8632, 9090, 9360, 9711, 9960, 10504, 10790, 11817, 11952, 12120, 12948, 13130, 14544, 14940, 15756, 16185, 16766, 17264, 18180, 19422, 19695, 19920, 21008, 21580, 23634, 24240, 25149, 25896, 26260, 29880, 31512, 32370, 33532, 36360, 38844, 39390, 41915, 43160, 47268, 48555, 50298, 51792, 52520, 59085, 59760, 63024, 64740, 67064, 72720, 75447, 77688, 78780, 83830, 86320, 94536, 97110, 100596, 105040, 108979, 118170, 125745, 129480, 134128, 150894, 155376, 157560, 167660, 189072, 194220, 201192, 217958, 236340, 251490, 258960, 301788, 315120, 326937, 335320, 377235, 388440, 402384, 435916, 472680, 502980, 544895, 603576, 653874, 670640, 754470, 776880, 871832, 945360, 980811, 1005960, 1089790, 1207152, 1307748, 1508940, 1634685, 1743664, 1961622, 2011920, 2179580, 2615496, 3017880, 3269370, 3923244, 4359160, 4904055, 5230992, 6035760, 6538740, 7846488, 8718320, 9808110, 13077480, 15692976, 19616220, 26154960, 39232440, 78464880]

約数ペア:

[(1, 78464880), (2, 39232440), (3, 26154960), (4, 19616220), (5, 15692976), (6, 13077480), (8, 9808110), (9, 8718320), (10, 7846488), (12, 6538740), (13, 6035760), (15, 5230992), (16, 4904055), (18, 4359160), (20, 3923244), (24, 3269370), (26, 3017880), (30, 2615496), (36, 2179580), (39, 2011920), (40, 1961622), (45, 1743664), (48, 1634685), (52, 1508940), (60, 1307748), (65, 1207152), (72, 1089790), (78, 1005960), (80, 980811), (83, 945360), (90, 871832), (101, 776880), (104, 754470), (117, 670640), (120, 653874), (130, 603576), (144, 544895), (156, 502980), (166, 472680), (180, 435916), (195, 402384), (202, 388440), (208, 377235), (234, 335320), (240, 326937), (249, 315120), (260, 301788), (303, 258960), (312, 251490), (332, 236340), (360, 217958), (390, 201192), (404, 194220), (415, 189072), (468, 167660), (498, 157560), (505, 155376), (520, 150894), (585, 134128), (606, 129480), (624, 125745), (664, 118170), (720, 108979), (747, 105040), (780, 100596), (808, 97110), (830, 94536), (909, 86320), (936, 83830), (996, 78780), (1010, 77688), (1040, 75447), (1079, 72720), (1170, 67064), (1212, 64740), (1245, 63024), (1313, 59760), (1328, 59085), (1494, 52520), (1515, 51792), (1560, 50298), (1616, 48555), (1660, 47268), (1818, 43160), (1872, 41915), (1992, 39390), (2020, 38844), (2158, 36360), (2340, 33532), (2424, 32370), (2490, 31512), (2626, 29880), (2988, 26260), (3030, 25896), (3120, 25149), (3237, 24240), (3320, 23634), (3636, 21580), (3735, 21008), (3939, 19920), (3984, 19695), (4040, 19422), (4316, 18180), (4545, 17264), (4680, 16766), (4848, 16185), (4980, 15756), (5252, 14940), (5395, 14544), (5976, 13130), (6060, 12948), (6474, 12120), (6565, 11952), (6640, 11817), (7272, 10790), (7470, 10504), (7878, 9960), (8080, 9711), (8383, 9360), (8632, 9090)]